US Bridges

Route 10 over Metro North Railroad

Fair

New Haven County, Connecticut · .2 MI N of Exit I-95 SB · Structure no. 04008

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
894 ft
11 main spans
Daily traffic
16,900
2021 count
Owner
State
State Highway Agency

About this bridge

Route 10 over Metro North Railroad is a steel stringer/multi-beam or girder carrying Route 10 over Metro North Railroad in New Haven County, Connecticut. It was built in 1977, so it is 48 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,900 vehicles a day, roughly 6% of them trucks, projected to reach 25,112 by 2041. The structure is 894 ft (272.5 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 10
CrossesMetro North Railroad
Location.2 MI N of Exit I-95 SB
RouteState Highway 10
CountyNew Haven County
StateConnecticut
Coordinates41.28879, -72.93895
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length894 ft (272.5 m)
Longest span85 ft (25.9 m)
Deck width71 ft (21.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,900 (2021)
Projected traffic25,112 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 10 over Metro North Railroad built?

It was built in 1977, making it 48 years old in 2025.

What condition is Route 10 over Metro North Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Route 10 over Metro North Railroad carry?

About 16,900 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 10 over Metro North Railroad?

The structure is 894 ft (272.5 m) long with a longest span of 85 ft (25.9 m) and a deck 71 ft wide.

Who owns Route 10 over Metro North Railroad?

It is owned by the State Highway Agency.